ChaseDream

标题: prep数学破解版 [打印本页]

作者: 小虫gloria    时间: 2012-10-31 17:05
标题: prep数学破解版
If the prime numbers p and t are the only prime factors of the integer m, is m a multiple of p2t ?

(1) m has more than 9 positive factors.

(2) m is a multiple of p3.
这道题选B啊?为什么??我怎么觉得条件1也很充分啊?
作者: 小虫gloria    时间: 2012-11-1 22:33
额明白了~~
M=P^a*T^b 若a是1,b是4,则有10个因数,但不满足题目~~
作者: ggr779    时间: 2012-11-18 01:16
有最新数学破解版么




欢迎光临 ChaseDream (https://forum.chasedream.com/) Powered by Discuz! X3.3